Harken 100mm Aluminum Stand-Up Block w/Becket

Harken 100mm Aluminum Stand-up Block w/Becket

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Sheave Ø (mm) - 100

Sheave Ø (in) - 3 15/16

Length (mm) - 235

Length (in) - 9 1/4"

Base Ø (mm) - 93

Base Ø (in) - 3 21/32

Weight (g) - 921

Weight (oz) - 32.49

Maximum line Ø (mm) - 16

Maximum line Ø (in) - 5/8

Maximum working load (kg) - 3402

Maximum working load (lb) - 7500

Breaking load (kg) - 6804

Breaking load (lb) - 15000

Fasteners (mm) - 10 FH 

Fasteners (in) - 3/8" FH

A (mm) - 93

A (in) - 3 21/32

B (mm) - 97

B (in) - 3 27/32

C (mm) - 59

C (in) - 2 5/16